1. overestimate - Noun
2. overestimate - Verb
To estimate too highly; to overvalue.
An estimate that is too high; as, an overestimate of the vote.
Source: Webster's dictionaryHe overestimated his own powers Source: Internet
You are overestimating the value of your old car Source: Internet
Amateur organizers of tugs of war may underestimate the forces generated, or overestimate the breaking strength of common ropes, and may thus be unaware of the possible consequences if a rope snaps under extreme tension. Source: Internet
A friend should always underestimate your virtues and an enemy overestimate your faults. Source: Internet
At angles of attack above stall, inviscid calculations do not predict that stall has happened, and as a result they grossly overestimate the lift. Source: Internet
Gide even went so far as to say that future historians will overestimate Bergson’s influence on art and philosophy just because he was the self-appointed spokesman for “the spirit of the age”. Source: Internet